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Diferans ki genyen ant mikwofòn VHF ak mikrofòn UHF se sitou akòz senaryo diferan. Mikwofòn VHF yo pwensipalman itilize nan otèl, sant konvansyon ak egzibisyon, espò konpetisyon (jimnazyòm), sistèm milti-fonksyonèl ak ansèyman, ak mikrofòn UHF yo sitou itilize nan estasyon difizyon, pèfòmans teyat ak lòt sèn ak kondisyon konfigirasyon strik.
Atik sa a eksplike teyori debaz la nan mikwofòn VHF ak UHA mikrofòn an detay epi li bay Sijesyon rezonab. Ki kalite mikro ou bezwen?
Koulye a, lajman itilize pou san fil VHF mikwofòn (trè wo frekans) ak UHF (ultra segondè frekans) de Gwoup Mizik transmisyon. Ranje bann VHF se 30MHz - 300MHz, yon longèdonn 10m - 1m, souvan refere yo kòm "UHF." Ranje frekans UHF-band se 300MHz - 3000MHz, yon longèdonn nan 1m - 0.1m, souvan refere yo kòm "UHF." de Gwoup Mizik yo radyo yo lajman ki itilize nan televizyon, radyo FM, telefòn mobil yo, bipè, machin enfòmasyon stock, kominikasyon mikwo ond ak rada.
Yon varyete de pwopagasyon vag radyo nan espas gratis, gen tan la ak kontrent géographique yo, kwa a frekans sipèpoze, san yo pa kontrent yo ak règleman, pral inevitableman jenere entèraksyon, se konsa itilize nan onn radyo nan mond lan gen yon kondisyon inifòm, se konsa ke entèraksyon ki genyen ant yo minimize. Pèmèt itilize nan san fil ranje frekans mikwofòn se defini kòm:
bann VHF pou 169MHz la - 230MHz, yo te 61MHz ranje frekans okipe. Nan 61MHz an ki ranje frekans sibdivize an A, B, C twa seksyon, sètadi: VHF (A) nan 169MHz - 185MHz, VHF (B) pou 185MHz la - 200MHz, VHF (C) nan 200MHz.
bann UHF pou 690MHz la - 960MHz, ranje frekans 270MHz te okipe, ka mete dè santèn de chanèl mikwofòn san fil. ka obligatwa ranje frekans dwe pwolonje jiska mete plis san fil chanèl radyasyon.
VHF ak UHF de-band Karakteristik vag radyo pwopagasyon:
VHF avantaj nan objè yo metal ki pi piti ti refleksyon, difraksyon, ak pénétration fò, ki ba pèt feeder, pi long tan lavi batri, pi ba pri; domaj se sijè a VHF chanèl televizyon, paging, lèt, ak machin endistriyèl polisyon, tankou soude, entèferans elektrik tankou gwo, ou ka itilize nan yon pakèt frekans etwat, Duo maike sèvi ak frekans konjesyon, mwens konpatib ak frekans lan, ti siyal dinamik pòte.
UHF avantaj se mwens entèferans-wo frekans; ka itilize ranje frekans 270MHZ, ranje évolutive, ka Duo Maike itilize, ka fòme yon sistèm pi gwo, siyal la ranje dinamik. Dezavantaj se ti objè a metal plis meditativ, transmisyon milti-chanèl kapab entèfere ak; sou kò imen an ak lòt objè ki pa metalik bloke diminisyon; feeder gwo pèt, reseptè a yo ta dwe kòm fèmen nan mikwofòn la; bezwen plis transmèt pouvwa a, batri a itilize kout tan ak pi wo pri.
An jeneral:
VHF apwopriye pou otèl, sant konvansyon, espò jaden (Hall), milti-fonksyon sal ak sistèm edikasyon,
UHF apwopriye pou emisyon televizyon, teyat pèfòmans ak mande, milti-chanèl san fil mikwofòn sistèm travay ansanm.
Nou gen diferan kalite mikwofòn klike isit la.
lòt pwodwi nou an:
Pwofesyonèl pakè ekipman estasyon radyo FM
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es.fmuser.org
it.fmuser.org
fr.fmuser.org
de.fmuser.org
af.fmuser.org -> Afriken
sq.fmuser.org -> Albanyen
ar.fmuser.org -> Arab
hy.fmuser.org -> Armenian
az.fmuser.org -> Azerbaydjan
eu.fmuser.org -> Basque
be.fmuser.org -> Belarisyen
bg.fmuser.org -> Bulgarian
ca.fmuser.org -> Katalan
zh-CN.fmuser.org -> Chinwa (senplifye)
zh-TW.fmuser.org -> Chinwa (Tradisyonèl)
hr.fmuser.org -> Kwoasyen
cs.fmuser.org -> Czech
da.fmuser.org -> Danwa
nl.fmuser.org -> Olandè
et.fmuser.org -> Estonyen
tl.fmuser.org -> Filipino
fi.fmuser.org -> Finnish
fr.fmuser.org -> Franse
gl.fmuser.org -> Galisyen
ka.fmuser.org -> Georgian
de.fmuser.org -> Alman
el.fmuser.org -> Greek
ht.fmuser.org -> Kreyòl ayisyen
iw.fmuser.org -> ebre
hi.fmuser.org -> Hindi
hu.fmuser.org -> Hungarian
is.fmuser.org -> Icelandic
id.fmuser.org -> Endonezyen
ga.fmuser.org -> Ilandè
it.fmuser.org -> Italyen
ja.fmuser.org -> Japonè
ko.fmuser.org -> Koreyen
lv.fmuser.org -> Latvian
lt.fmuser.org -> Lithuanian
mk.fmuser.org -> Masedwan
ms.fmuser.org -> Malay
mt.fmuser.org -> Maltese
no.fmuser.org -> Norwegian
fa.fmuser.org -> Pèsik
pl.fmuser.org -> Polonè
pt.fmuser.org -> Pòtigè
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sl.fmuser.org -> Slovenian
es.fmuser.org -> Panyòl
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th.fmuser.org -> Thai
tr.fmuser.org -> Tik
uk.fmuser.org -> Ikrenyen
ur.fmuser.org -> Oudou
vi.fmuser.org -> Vietnamese
cy.fmuser.org -> Welsh
yi.fmuser.org -> Yiddish
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